This approach, ______ more expensive than the basic one, provides us with considerably more usage flexibility.
#31500
A
as
B
since
C
while
D
if
推荐题目
I don’t like the way _______Tom speaks to his mother. Which one is wrong?
#31176
A
that
B
in which
C
by which
D
/
All the books I have are here. You may borrow you like.
#33520
A
whatever
B
whichever
C
whenever
D
however
_______ laws of motion are simple, motion, as we see it in the world about us, certainly is not.
#34130
A
When
B
While
C
As
D
Even